News for hackers. Stuff that matters.

A comment on IBM z14 Microprocessor and System Control Design. Parent comment

Re:IBM z14 Microprocessor and System Control Design by jacquesm on Tuesday November 20, 2018 @12:52PM (#18495861)
Proper IPL is done through switches on a front panel ;)
[ Parent | on HN ]
Re:IBM z14 Microprocessor and System Control Design by protomyth on Tuesday November 20, 2018 @02:21PM (#18496818)
I actually had to use those switches (well buttons) on an iSeries recently. I’ve never been that nervous with any Unix command.
[ Parent | on HN ]
Re:IBM z14 Microprocessor and System Control Design by jacquesm on Tuesday November 20, 2018 @02:25PM (#18496841)
One bit error and it's back to square one. The good part is that if you do it often enough you start to memorize some of it!
[ Parent | on HN ]